28258475

素因数分解:

$5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1429}}^1$

素因数の和:1559

約数の個数: 24

約数和(自身を含む): 40428960

約数和(自身を除く): 12170485

約数列:

[1, 5, 7, 25, 35, 113, 175, 565, 791, 1429, 2825, 3955, 7145, 10003, 19775, 35725, 50015, 161477, 250075, 807385, 1130339, 4036925, 5651695, 28258475]

約数ペア:

[(1, 28258475), (5, 5651695), (7, 4036925), (25, 1130339), (35, 807385), (113, 250075), (175, 161477), (565, 50015), (791, 35725), (1429, 19775), (2825, 10003), (3955, 7145)]